artecgroup/dbe62: Set up 4MB mode for LPC dongle
This way we can fit a kernel and initramfs on the dongle's free ~3.75MB space and have a debug system bootable right from inside the dongle. The start address of the dongle is mem@0xffc00000 for FILO with 4MB minus ROM area available.
Signed-off-by: Mart Raudsepp mart.raudsepp@artecdesign.ee ---
For your consideration of suitability for stage1 mainboard setup.
mainboard/artecgroup/dbe62/stage1.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/mainboard/artecgroup/dbe62/stage1.c b/mainboard/artecgroup/dbe62/stage1.c index 45a7c1c..45609ce 100644 --- a/mainboard/artecgroup/dbe62/stage1.c +++ b/mainboard/artecgroup/dbe62/stage1.c @@ -59,6 +59,9 @@ void hardware_stage1(void) * early MSR setup for the CS5536. */ cs5536_setup_onchipuart(2); + + /* Set up 4MB mode for Artec LPC Dongle */ + outb(0xf4,0x88); }
void mainboard_pre_payload(void)